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Security
Security is the protection of hardware software and data from unauthorized access. Restricted physical access to computer password protection limiting user privileges and data encryption are common security methods. Antivirus mentoring programs to defend against computer viruses are a security measure.
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
c program to implement the ospf
Q. Illustrate TCP – bytes and segments? TCP - bytes & segments TCP at the sending site collects bytes into a packet called a segment TCP adds a header to each se
Token Ring Implementation Sequence of 150-ohm shielded twisted-pairs sections Output port on every station connected to input port on the next Frame is passed to
Hardware Sharing network facilitate the sharing devices. For example instead of giving each of 10 employees in department of the internet on modern society is har
State the benefits of Infrared light Infrared light does not penetrate walls or other opaque objects. This has two benefits: First, infrared communications can be more simply
What is routing region? When hierarchical routing is used, the routers are separated into what we call regions, with each router knowing all the details about how to route pack
ICMP is used to send error and control messages. Ping uses ICMP to carry the echo-request and echo-reply.
802.11a OFDM a) Orthogonal frequency-division multiplexing utilizing a 5-GHz band b) Same as FDM except all sub bands are used by only one source at a given time c) Secu
Switch In a physical ring configuration any disabled or else disconnected node can disable the entire network Use of a switch can permit the ring to bypass an inactive
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